woofmark
A modular, progressive, and beautiful Markdown and HTML editor. Markdown lets you produce rich HTML-formatted text by writing plain text. You can write code, text in italics or give them a “bolder” format. You can create headings by prefixing them with one or more hash characters (#). The less hashes they have, the more prominent your headings become. Creating links is merely a matter of wrapping some text in brackets and referencing a resource locator, like the ones you’ll find at the bottom of this text. Images can be embedded just the same, except you’ll have to prefix the wrapped text with an exclamation mark. The buttons provided look kind of rough, but that's on purpose, it's up to you to style them and the API helps you do that. Small and focused, progressive, enhance a raw textarea. Markdown, HTML, and WYSIWYG input modes. Text selection persists even across input modes! Built in undo and redo. Entirely customizable styles.
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MarkdownPad
MarkdownPad is a full-featured Markdown editor for Windows. Instantly see what your Markdown documents look like in HTML as you create them. While you type, LivePreview will automatically scroll to the current location you're editing. Markdown formatting can be applied (and removed) with handy keyboard shortcuts and toolbar buttons. You don't need to know anything about Markdown to use MarkdownPad! Color schemes, fonts, sizes and layouts are all customizable so you can turn MarkdownPad into your perfect editor. Change the look of your HTML documents by using your own CSS stylesheets. MarkdownPad supports multiple stylesheets and has a built-in CSS editor. The default CSS is beautiful and minimal, and will make your HTML documents look great. Quickly create ready-to-use HTML documents, or simply copy a portion of your document as HTML. MarkdownPad Pro supports multiple Markdown processing engines, including Markdown Extra (with Table support), and GitHub Flavored Markdown.
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Quiver
Quiver is a notebook built for programmers. It lets you easily mix text, code, Markdown and LaTeX within one note, edit code with an awesome code editor, live preview Markdown and LaTeX, and find any note instantly via the full-text search. A note in Quiver is comprised of cells, snippets of text, code, Markdown, LaTeX (via MathJax) or diagrams (sequence diagram, flowchart). You can freely mix different cell types within one note. You can set different languages for different code cells, too. The programmer's notebook should make code editing effortless. Quiver packs the awesome ACE code editor in code cells, with syntax highlighting support for more than 120 languages, over 20 themes, automatic indent and outdent, and much more. Quiver lets you write in Markdown with inline formatting and custom CSS options. A live preview window renders Markdown as you type. Quiver uses MathJax to typeset mathematical equations written in LaTeX.
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Archimedes
Archimedes is a Markdown and LaTeX editor built from the ground up for the Mac and designed to make mathematical writing fun and easy.
At its core, Archimedes is a fully-featured plain text and Markdown editor. It includes a fast syntax highlighter and provides convenient keyboard shortcuts for common actions, such as inserting images and links. With complete support for Markdown, Archimedes makes formatting and structuring documents elegant and easy.
In Math Mode, Archimedes lets you write mathematics in a subset of LaTeX, making it an approachable LaTeX editor. Just enter $$ to get started. Over 700 intuitive commands, such as \sqrt{a^2 + b^2}, help you produce stunning mathematical output. Archimedes even autocompletes commands and intelligently matches closing braces, brackets, and parenthesis as you type.
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